package com.itheima.recursion_single;

/**
 * @FileName Factorial
 * @Description
 * @Author Sword
 * @date 2025-03-11
 **/
public class Factorial {

    public static int f(int n) {
        if (n == 1 || n == 0) {
            return 1;
        }

        return n * f(n - 1);
    }

    public static void main(String[] args) {
        int res = f(5);
        System.out.println(res);
    }
}
